public void WhenAddingRecordsToInvoiceList_RecordsSouldBeUpdated(List <Record> records)
{
// arrange
var invoiceList = new InvoiceList();
// act
foreach (var record in records)
{
invoiceList.AddRecord(record);
}
// assert
invoiceList.GetRecords().Should().NotBeEmpty();
invoiceList.GetRecords().Should().BeEquivalentTo(records);
invoiceList.CountRecords().Should().Be(records.Count);
}